822081814 has 16 divisors (see below), whose sum is σ = 1241921520. Its totient is φ = 408114720.

The previous prime is 822081803. The next prime is 822081853. The reversal of 822081814 is 418180228.

It is a self number, because there is not a number n which added to its sum of digits gives 822081814.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404152 + ... + 406180.

It is an arithmetic number, because the mean of its divisors is an integer number (77620095).

Almost surely, 2^822081814 is an apocalyptic number.

822081814 is a deficient number, since it is larger than the sum of its proper divisors (419839706).

822081814 is a wasteful number, since it uses less digits than its factorization.

822081814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375.

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 822081814 is about 28671.9691336329. The cubic root of 822081814 is about 936.7815894475.

The spelling of 822081814 in words is "eight hundred twenty-two million, eighty-one thousand, eight hundred fourteen".